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The AstronomersThe Big Rip Theory - a theory of the end of the universe based on its increasing expansion rate
The Big Rip Theory - a theory of the end of the universe based on its increasing expansion rate
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This video is taken from the documentary "The Universe : Beyond the Big Bang - http://www.imdb.com/title/tt1099790/ " for nonprofit educational purposes. The universe -all the pysical existence we know- started with a big bang some 13 billion years ago and it may end with a big rip some billions years later if the Big Rip Theory is a correct description of the universe. Updated October 4,2011: "Three U.S.-born scientists won the Nobel Prize in physics on Tuesday for overturning a fundamental assumption in their field by showing that the expansion of the universe is constantly accelerating. Their discovery created a new portrait of the eventual fate of the universe: a place of super-low temperatures and black skies unbroken by the light of galaxies moving away from each other at incredible speed. Physicists had assumed for decades that the expansion of the universe was getting ever-slower, meaning that in billions of years it would resemble today's universe in many important ways. Then, working in separate research teams during the 1990s, Saul Perlmutter, Brian Schmidt and Adam Riess found that the light from more than 50 distant exploding stars was far weaker than they expected, meaning that galaxies had to be racing away from each other at increasing speed." -- http://news.yahoo.com/studies-universes-expansion-win-physics-nobel-101853906.html
Added on Nov 27, 2012 by lonewolf
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Time: 05:00 | Views: 233 | Comments: 0
   
  Extragalactic astronomy  
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